{"id":"https://openalex.org/W2738372575","doi":null,"title":"Phase-Amplified Direct Detection of Atomic States for Heisenberg Limited Sensitivity in an Atomic Interferometer Employing Schroedinger Cat States","display_name":"Phase-Amplified Direct Detection of Atomic States for Heisenberg Limited Sensitivity in an Atomic Interferometer Employing Schroedinger Cat States","publication_year":2017,"publication_date":"2017-07-26","ids":{"openalex":"https://openalex.org/W2738372575","mag":"2738372575"},"language":"en","primary_location":{"id":"mag:2738372575","doi":null,"is_oa":false,"landing_page_url":"http://export.arxiv.org/pdf/1707.08260","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null},"volume":null,"type":"article","indexed_in":[],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5110037480","display_name":"M. S. Shahriar","orcid":"https://orcid.org/0000-0002-7981-954X","observed_orcids":["https://orcid.org/0000-0002-7981-954X"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Selim M. Shahriar","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5003968880","display_name":"Renpeng Fang","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Renpeng Fang","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5079346923","display_name":"Resham Sarkar","orcid":"https://orcid.org/0000-0003-3206-1871","observed_orcids":["https://orcid.org/0000-0003-3206-1871"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Resham Sarkar","raw_affiliation_strings":[],"raw_orcid":"https://orcid.org/0000-0003-3206-1871","affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.09777139,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10020","display_name":"Quantum Information and Cryptography","score":0.5814999938011169,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10020","display_name":"Quantum Information and Cryptography","score":0.5814999938011169,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10425","display_name":"Cold Atom Physics and Bose-Einstein Condensates","score":0.2705000042915344,"subfield":{"id":"https://openalex.org/subfields/3107","display_name":"Atomic and Molecular Physics, and Optics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10622","display_name":"Quantum Mechanics and Applications","score":0.07590000331401825,"subfield":{"id":"https://openalex.org/subfields/3107","display_name":"Atomic and Molecular Physics, and Optics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/atom-interferometry","display_name":"atom interferometry","score":0.7110000252723694},{"id":"https://openalex.org/keywords/heisenberg-limit","display_name":"Heisenberg limit","score":0.8920000195503235},{"id":"https://openalex.org/keywords/schrodinger-cat-states","display_name":"Schr\u00f6dinger cat states","score":0.8769999742507935},{"id":"https://openalex.org/keywords/spin-squeezing","display_name":"spin squeezing","score":0.7990000247955322},{"id":"https://openalex.org/keywords/atomic-clocks","display_name":"atomic clocks","score":0.6079999804496765},{"id":"https://openalex.org/keywords/compton-frequency","display_name":"Compton frequency","score":0.777999997138977},{"id":"https://openalex.org/keywords/cavity-feedback","display_name":"cavity feedback","score":0.671999990940094},{"id":"https://openalex.org/keywords/cavity-decay","display_name":"cavity decay","score":0.5979999899864197},{"id":"https://openalex.org/keywords/spontaneous-emission","display_name":"spontaneous emission","score":0.921999990940094},{"id":"https://openalex.org/keywords/standard-quantum-limit","display_name":"standard quantum limit","score":0.6800000071525574},{"id":"https://openalex.org/keywords/collective-atomic-states","display_name":"collective atomic states","score":0.6309999823570251}],"concepts":[{"id":"https://openalex.org/C2778361524","wikidata":"https://www.wikidata.org/wiki/Q44746","display_name":"Heisenberg limit","level":5,"score":0.8136546611785889},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.758246898651123},{"id":"https://openalex.org/C180214583","wikidata":"https://www.wikidata.org/wiki/Q4439348","display_name":"Quantum limit","level":3,"score":0.6178619265556335},{"id":"https://openalex.org/C21200559","wikidata":"https://www.wikidata.org/wiki/Q7451068","display_name":"Sensitivity (control systems)","level":2,"score":0.5675930380821228},{"id":"https://openalex.org/C27753989","wikidata":"https://www.wikidata.org/wiki/Q284885","display_name":"Superposition principle","level":2,"score":0.5523404479026794},{"id":"https://openalex.org/C166689943","wikidata":"https://www.wikidata.org/wiki/Q850283","display_name":"Interferometry","level":2,"score":0.5336573719978333},{"id":"https://openalex.org/C194800363","wikidata":"https://www.wikidata.org/wiki/Q8588","display_name":"Schr\u00f6dinger's cat","level":2,"score":0.5283801555633545},{"id":"https://openalex.org/C184779094","wikidata":"https://www.wikidata.org/wiki/Q26383","display_name":"Atomic physics","level":1,"score":0.49336710572242737},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.48122620582580566},{"id":"https://openalex.org/C84114770","wikidata":"https://www.wikidata.org/wiki/Q46344","display_name":"Quantum","level":2,"score":0.46373191475868225},{"id":"https://openalex.org/C55615164","wikidata":"https://www.wikidata.org/wiki/Q830791","display_name":"Quantum superposition","level":3,"score":0.4546733796596527},{"id":"https://openalex.org/C89631360","wikidata":"https://www.wikidata.org/wiki/Q1428766","display_name":"Phase noise","level":2,"score":0.44104236364364624},{"id":"https://openalex.org/C196597080","wikidata":"https://www.wikidata.org/wiki/Q227467","display_name":"Atomic clock","level":2,"score":0.4339503049850464},{"id":"https://openalex.org/C99498987","wikidata":"https://www.wikidata.org/wiki/Q2210247","display_name":"Noise (video)","level":3,"score":0.419779896736145},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.24402102828025818},{"id":"https://openalex.org/C58053490","wikidata":"https://www.wikidata.org/wiki/Q176555","display_name":"Quantum computer","level":3,"score":0.22402876615524292},{"id":"https://openalex.org/C186468114","wikidata":"https://www.wikidata.org/wiki/Q836478","display_name":"Quantum network","level":4,"score":0.08034569025039673},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.0},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.0},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.0},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.0},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"mag:2738372575","doi":null,"is_oa":false,"landing_page_url":"http://export.arxiv.org/pdf/1707.08260","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2765223252","https://openalex.org/W2755500477","https://openalex.org/W3179512586","https://openalex.org/W2896190584","https://openalex.org/W2585495917","https://openalex.org/W2962739670","https://openalex.org/W2597827470","https://openalex.org/W6910987223","https://openalex.org/W3013032903","https://openalex.org/W2089437384"],"abstract_inverted_index":{"In":[0],"a":[1,36,74,79,90,129],"conventional":[2],"atomic":[3,109,124],"interferometer":[4],"employing":[5,156],"$N$":[6,86],"atoms,":[7,87],"the":[8,13,20,28,45,48,55,63,66,138,157,164,178,187],"phase":[9,33,103],"sensitivity":[10,21,182],"is":[11,105],"at":[12],"standard":[14],"quantum":[15,29,56],"limit:":[16],"$1/\\sqrt{N}$.":[17],"Using":[18],"spin-squeezing,":[19],"can":[22,183],"be":[23,184],"increased,":[24],"either":[25],"by":[26,58,62,107],"lowering":[27],"noise":[30,57],"or":[31,35],"via":[32],"amplification,":[34],"combination":[37],"thereof.":[38],"Here,":[39],"we":[40],"show":[41,119,162],"how":[42,120],"to":[43,47,121,186],"increase":[44,96,136],"sensitivity,":[46],"Heisenberg":[49],"limit":[50],"of":[51,68,81,85,113,166],"$1/N$,":[52],"while":[53],"increasing":[54],"$\\sqrt{N}$,":[59],"thereby":[60],"suppressing":[61],"same":[64],"factor":[65],"effect":[67],"excess":[69],"noise.":[70],"The":[71,100],"protocol":[72],"uses":[73],"Schrodinger":[75,130],"Cat":[76,131],"state":[77,110,115],"representing":[78],"superposition":[80],"two":[82],"collective":[83,114],"states":[84],"behaving":[88],"as":[89,191,193],"single":[91],"entity":[92],"with":[93,133],"an":[94,123,134],"$N$-fold":[95,102,135],"in":[97,137,181],"Compton":[98],"frequency.":[99,141],"resulting":[101],"magnification":[104],"revealed":[106],"using":[108,151],"detection":[111],"instead":[112],"detection.":[116],"We":[117,142,175],"also":[118],"realize":[122],"clock":[125],"based":[126],"on":[127],"such":[128],"state,":[132],"effective":[139],"transition":[140],"discuss":[143],"potential":[144],"experimental":[145],"constraints":[146],"for":[147,190],"implementing":[148],"this":[149],"scheme,":[150,160],"one":[152],"axis":[153],"twist":[154],"squeezing":[155],"cavity":[158,167],"feedback":[159],"and":[161,169],"that":[163,177],"effects":[165],"decay":[168],"spontaneous":[170],"emission":[171],"are":[172],"highly":[173],"suppressed.":[174],"find":[176],"maximum":[179],"improvement":[180],"close":[185],"ideal":[188],"limit,":[189],"many":[192],"ten":[194],"million":[195],"atoms.":[196]},"counts_by_year":[],"updated_date":"2026-10-14T16:39:01.820549","created_date":"2017-07-31T00:00:00"}
